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公开(公告)号：EP0461759A3
公开(公告)日：1992-05-20
申请号：EP91304252.9
申请日：1991-05-10
发明人： Suzuki, Akio, Canon Kabushiki Kaisha , Danzuka, Toshimitsu, c/o Canon Kabushiki Kaisha , Moriguchi, Haruhiko, c/o Canon Kabushiki Kaisha , Takada, Yoshihiro, c/o Canon Kabushiki Kaisha , Miura, Yasushi, c/o Canon Kabushiki Kaisha , Fukushima, Hisashi, c/o Canon Kabushiki Kaisha , Izumizaki, Masami, c/o Canon Kabushiki Kaisha , Takekoshi, Nobuhiko, c/o CANON Kabushiki Kaisha , Watanabe, Nobuyuki, c/o CANON Kabushiki Kaisha , Takagi, Eiichi, c/o CANON Kabushiki Kaisha , Takahashi, Haruhiko, c/o CANON Kabushiki Kaisha
CPC分类号： B41J2/3555 , B41J2/16588 , B41J2/1707 , B41J2/2135 , B41J2/2139 , B41J2/36 , B41J11/009 , B41J11/0095 , B41J29/393 , B41J2202/12 , H04N1/4015 , H04N1/6033
摘要： A correction data production apparatus includes a detecting unit (1014) for reading a test pattern formed by a recording head (1001) having a plurality of recording elements constituting an array, and for detecting a density distribution of a range of the array of the plurality of recording elements, a corresponding unit (1101A) for causing the density distribution detected by the detecting unit to correspond to the plurality of recording elements on the basis of a reference position where a density of an end portion of the density distribution reaches a predetermined threshold value, a production unit (1020) for producing correction data for an image formation density uniforming drive conditions in correspondence with the plurality of recording elements on the basis of the density distribution corresponded by the corresponding unit, and a changing unit (1101B) for changing the threshold value in accordance with characteristics of the test pattern.
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公开(公告)号：EP0461759B1
公开(公告)日：1995-09-13
申请号：EP91304252.9
申请日：1991-05-10
发明人： Suzuki, Akio, Canon Kabushiki Kaisha , Danzuka, Toshimitsu, c/o Canon Kabushiki Kaisha , Moriguchi, Haruhiko, c/o Canon Kabushiki Kaisha , Takada, Yoshihiro, c/o Canon Kabushiki Kaisha , Miura, Yasushi, c/o Canon Kabushiki Kaisha , Fukushima, Hisashi, c/o Canon Kabushiki Kaisha , Izumizaki, Masami, c/o Canon Kabushiki Kaisha , Takekoshi, Nobuhiko, c/o CANON Kabushiki Kaisha , Watanabe, Nobuyuki, c/o CANON Kabushiki Kaisha , Takagi, Eiichi, c/o CANON Kabushiki Kaisha , Takahashi, Haruhiko, c/o CANON Kabushiki Kaisha
CPC分类号： B41J2/3555 , B41J2/16588 , B41J2/1707 , B41J2/2135 , B41J2/2139 , B41J2/36 , B41J11/009 , B41J11/0095 , B41J29/393 , B41J2202/12 , H04N1/4015 , H04N1/6033
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3.发明公开Recording apparatus for performing recording using recording head 失效Aufzeichnungsgerätmit Aufzeichnungskopf。
公开(公告)号：EP0461759A2
公开(公告)日：1991-12-18
申请号：EP91304252.9
申请日：1991-05-10
发明人： Suzuki, Akio, Canon Kabushiki Kaisha , Danzuka, Toshimitsu, c/o Canon Kabushiki Kaisha , Moriguchi, Haruhiko, c/o Canon Kabushiki Kaisha , Takada, Yoshihiro, c/o Canon Kabushiki Kaisha , Miura, Yasushi, c/o Canon Kabushiki Kaisha , Fukushima, Hisashi, c/o Canon Kabushiki Kaisha , Izumizaki, Masami, c/o Canon Kabushiki Kaisha , Takekoshi, Nobuhiko, c/o CANON Kabushiki Kaisha , Watanabe, Nobuyuki, c/o CANON Kabushiki Kaisha , Takagi, Eiichi, c/o CANON Kabushiki Kaisha , Takahashi, Haruhiko, c/o CANON Kabushiki Kaisha
CPC分类号： B41J2/3555 , B41J2/16588 , B41J2/1707 , B41J2/2135 , B41J2/2139 , B41J2/36 , B41J11/009 , B41J11/0095 , B41J29/393 , B41J2202/12 , H04N1/4015 , H04N1/6033
摘要： A correction data production apparatus includes a detecting unit (1014) for reading a test pattern formed by a recording head (1001) having a plurality of recording elements constituting an array, and for detecting a density distribution of a range of the array of the plurality of recording elements, a corresponding unit (1101A) for causing the density distribution detected by the detecting unit to correspond to the plurality of recording elements on the basis of a reference position where a density of an end portion of the density distribution reaches a predetermined threshold value, a production unit (1020) for producing correction data for an image formation density uniforming drive conditions in correspondence with the plurality of recording elements on the basis of the density distribution corresponded by the corresponding unit, and a changing unit (1101B) for changing the threshold value in accordance with characteristics of the test pattern.
摘要翻译： 校正数据制作装置包括检测单元，用于读取由具有构成阵列的多个记录元件的记录头形成的测试图形，并且用于检测多个记录元件阵列的范围的密度分布;对应的 单元，用于使所述检测单元检测到的密度分布基于所述密度分布的端部的密度达到预定阈值的参考位置对应于所述多个记录元件;生成单元，用于产生校正数据 用于根据与相应单元对应的密度分布与多个记录元件相对应的图像形成密度均匀驱动条件;以及改变单元，用于根据测试图案的特性来改变阈值。
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